<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript" src="jquery-1.12.4.min.js" ></script>
	</head>
	<body>
		<div>
			<span>我是默认的span1</span>
			<span>我是默认的span2</span>
		</div>
	</body>
	<script type="text/javascript">
		//彻底的删除标签。斩草除根
		$('span').eq(0).remove()
	</script>
</html>
